Model test evaluation of a frequency-domain procedure for extreme surge response prediction of tension leg platforms

Conference · Tue May 01 00:00:00 EDT 1984 · Proc., Annu. Offshore Technol. Conf.; (United States)

OSTI ID:6460054

Botelho, D L.R.; Finnigan, T D; Liu, S V; Petrauskas, C

A frequency-domain procedure for the extreme surge response prediction of tension leg platforms (TLP) under waves and current loading is presented and evaluated. The procedure incorporates both first- and second-order viscous and potential (inviscid) effects. The evaluation is based on results of hydrodynamic tests performed on a 1/60 scale model of a TLP. The tests were specifically designed to quantify the wave current interaction effects on surge. Therefore, the TLP model was tested under currents only (simulated by towing), waves only, and combined waves and current. The procedure is shown to perform well for predicting the extreme response in random waves and current except when groups of large waves are present. In this case, the extreme response is underpredicted. Areas in which this situation can be improved are identified.

• Research Organization: Chevron Oil Field Research Co.
• OSTI ID: 6460054
• Report Number(s): CONF-8405208-
• Journal Information: Proc., Annu. Offshore Technol. Conf.; (United States), Vol. 1; Conference: 16. annual offshore technology conference, Houston, TX, USA, 7 May 1984
• Country of Publication: United States
• Language: English

Related Subjects

42 ENGINEERING
02 PETROLEUM
OFFSHORE PLATFORMS
FREQUENCY RESPONSE TESTING
MOORINGS
SCALE MODELS
WAVE FORCES
FORECASTING
HYDRODYNAMICS
IDEAL FLOW
LOADING
OIL WELLS
SURGES
VISCOUS FLOW
WATER CURRENTS
CURRENTS
FLUID FLOW
FLUID MECHANICS
MATERIALS HANDLING
MECHANICS
STRUCTURAL MODELS
TESTING
WELLS
420206* - Engineering- Mining & Drilling Equipment & Facilities- (1980-1989)
423000 - Engineering- Marine Engineering- (1980-)
020300 - Petroleum- Drilling & Production